Sandbox: Bone DDx

Revision as of 16:25, 24 November 2015 by Haytham Allaham (talk | contribs)
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  • 20-30 yo males
  • Gradual, dull, and achy pain
  • Neurological deficit (cord compression)
  • Scoliosis and torticollis
  • Mainly located in the spine
  • Expansile lytic lesions with a rim of reactive sclerosis
  • Internal calcification
  • Cortical destruction, surrounding sclerosis, and periostitis
  • Secondary aneurysmal bone cyst


  • Trabeculae of woven and osteoid bones
  • Surrounded by a single layer of osteoblasts
  • Multiple osteoclasts
  • Loose fibrovascular stroma
  • Intralesional hemorrhage
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